Three days after the body of a woman was pulled from a lake at one of Fort Collins' busiest parks, on-edge residents continued to pose questions that investigators say they don't yet have all the answers to.

Fort Collins police on Friday announced the death of 23-year-old Heather "Helena" Hoffmann was "suspicious." The agency stopped short of saying whether the woman's death was the work of some sort of assailant or whether any suspects were being investigated, leading to rampant speculation on social media.

Kate Kimble, police spokeswoman, on Saturday said little had changed since the agency revealed the woman left her job at the fast food branch about 1 a.m. Wednesday. Seventeen hours later, her body was reported floating in Sheldon Lake — a 10 minute walk from the McDonald's restaurant where she worked at 1250 W. Elizabeth St.

"At this stage in the investigation, we can’t speculate or rule out any possibilities regarding potential suspects," Kimble said Saturday. "We need anyone with information to come forward to police or Crime Stoppers."

Anyone with information about this case is asked to contact Det. Tessa Jakobsson at tjakobsson@fcgov.com or call 970-221-6575. Tips can also be reported to Crime Stoppers of Larimer County at www.stopcriminals.org or 970-221-686.

Callers can remain anonymous and may receive a cash reward.

The Larimer County Coroner's Office will release Hoffmann's manner and cause of death, which are still pending further investigation. Until then, it's still publicly unclear whether the woman was murdered and how exactly she died.

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Hoffmann was last seen at 1 a.m. Wednesday leaving work less than a mile south of the park. She might have been walking to her residence, which was near the intersection of Laporte Avenue and Shields Street.

"She was always so careful, and that's why this is such a great shock to me that this happened," said Brittany Wilson, 25, of Loveland on Friday. Wilson has known Hoffmann since the young mother was 19. "I don't believe she would have stopped for a stranger."

A bystander at City Park called 911 at 6:10 p.m. Wednesday to report seeing the woman's body in the lake. Still, it remains unclear when she died.

Additional details have not been released.

Reporter Jason Pohl covers public safety for the Coloradoan. Follow him on Twitter: @pohl_jason.